Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/8018#discussion_r36581760
--- Diff:
unsafe/src/main/java/org/apache/spark/unsafe/PlatformDependent.java ---
@@ -145,21 +147,27 @@ public static void freeMemory(long address) {
long signumOffset = 0;
long magOffset = 0;
+ long intCompactOffset = 0;
try {
signumOffset =
_UNSAFE.objectFieldOffset(BigInteger.class.getDeclaredField("signum"));
magOffset =
_UNSAFE.objectFieldOffset(BigInteger.class.getDeclaredField("mag"));
+ intCompactOffset = _UNSAFE.objectFieldOffset(
+ BigDecimal.class.getDeclaredField("intCompact"));
--- End diff --
I think we already reply on some internal API, also ignore the exception
that failed to get UNSAFE. We may move to use Decimal128 from Hive in next
release.
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